<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <link rel="stylesheet" href="css/materialdesignicons.min.css">
    <title>Document</title>
    <style>
        .nav{
            position: fixed;
            bottom: 0;
            border-top: 1px solid;
            width: 100%;
            height: 70px;
            display: flex;
            align-items: center;
            
        }
        .nav .item{
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;

        }
    </style>
</head>
<body>
    <div class="nav">
        <div class="item">
            <span class="mdi mdi-robber"></span>
            理财
        </div>
        <div class="item">
            <span class="mdi mdi-robber"></span>
            理财
        </div>
        <div class="item">
            <span class="mdi mdi-robber"></span>
            理财
        </div>
        <div class="item">
            <span class="mdi mdi-robber"></span>
            理财
        </div>
    </div>
    
</body>
</html>